Hydroponic Planting Sponge | Soilless Cultivation Nursery Sponge with I-Slot & Round Hole for Vegetables
Hydroponic Planting Sponge / Nursery Sponge
Pre‑Cut Polyurethane Sponge for Seedling, Cuttings & Net Pot Cultivation
Made from high‑density hydrophilic polyurethane (PU) foam, this cylindrical growing sponge measures 25 mm in diameter and 20 mm in height. Each sponge comes with a pre‑cut “I‑shaped” (or cross) slot – ready to use without any manual hole making. The material offers excellent water absorption, retention, and aeration. It is pH‑neutral, non‑toxic, and ideal for NFT pipes, net pots, germination trays, and other soilless systems.
Many Years Of Production And Manufacturing Experience
Direct Sale From The Manufacturer, Discounted Price
Ideal Seedling Support for All Hydroponic & Soilless Systems
Our hydroponic grow sponges are manufactured from premium polyurethane, tailor-made for soilless planting and hydroponic seed starting. Featuring pre-cut I-shaped slits and round holes, these sponges offer firm, soft support for seeds and young seedlings. They also boast exceptional water retention and breathability.
The porous structure of the grow sponge consistently supplies water and oxygen to plant roots, accelerating fast germination and supporting robust root growth. It fits standard hydroponic net pots perfectly, ideal for growing vegetables, herbs and leafy greens in hydroponic towers, NFT systems, DWC setups and balcony gardens. Reusable, easy to clean and simple to operate, this accessory is a must-have for home gardeners and commercial hydroponic growers alike.
Parameter
Specification
Material
Polyurethane (PU) foam, hydrophilic, non‑toxic
Colors
Black, white
Applications
aeroponics, seed germination, cutting propagation, net pot lining
Made of soft, elastic polyurethane foam, the sponge is non-toxic, clean, and durable. It provides a gentle, supportive environment for seeds and seedlings, preventing root damage while retaining water and nutrients.
Pre-Cut I-Slot & Round Hole Design
Each sponge comes with a pre-cut I-shaped slot and round hole for easy seedling insertion. No need to cut or modify the sponge, making planting faster and more convenient, even for beginners.
Excellent Water Retention & Air Permeability
The porous structure balances water retention and air circulation, keeping roots moist and oxygenated to prevent root rot and promote healthy growth.
Perfect Compatibility with Hydroponic Systems
Fits most standard hydroponic planting baskets and systems, including vertical towers, NFT channels, DWC buckets, and balcony hydroponic gardens. Ideal for growing lettuce, herbs, strawberries, and other leafy greens.
Reusable & Easy to Clean
The sponge is washable and reusable for multiple growing cycles. Simply rinse with clean water to remove root debris and reuse, reducing waste and long-term costs.
Anhui Powerician Technology Co., Ltd., founded in 2014 with over 12 years of industry expertise, specializes in the R&D, production, sales, and service of garden and outdoor supplies. Our product range includes garden netting, shade nets, sun sails, tarpaulins, balcony privacy screens, and expanding outdoor leisure products.
Expert & Swift Customization
Over 12 Years Trading Expertise
Serve both Retail and Wholesale
Provide sellers with efficient logistics channels via our mature supply chain.
It is made of high-quality polyurethane foam, which is soft, elastic, non-toxic, and safe for plant growth.
What sizes are available?
We offer different sizes including 25mm (diameter) × 20mm (height), with other sizes available for bulk orders. The pre-cut I-slot and round hole design fits most standard hydroponic baskets.
Can the sponge be reused?
Yes! It is washable and reusable for multiple growing cycles. Simply rinse with clean water to remove root debris before reusing.
Is the sponge suitable for all hydroponic systems?
Absolutely! It fits most standard hydroponic planting baskets and systems, including vertical towers, NFT channels, DWC buckets, and balcony gardens.
What plants can I grow with this sponge?
It is ideal for growing lettuce, spinach, basil, mint, strawberries, and other leafy greens and herbs, suitable for both seed starting and transplanting seedlings.
